Wireless Black Musical Doorbell Kit with Blue LED Light from U.S. SOLID USE: Whether you are at home or in a building or warehouse, you need to know when someone is at your door. Without a doorbell, the guest will just knock, running the risk of you missing them or package delivery. U.S. SOLID offers this lustrous Wireless Doorbell Kit so you never miss a caller again. The USS-DB00004 black wireless doorbell features 52 different musical sounds to choose from with 4 levels of adjustable sound and a blue LED light on the receiver and transmitter that illuminates whenever doorbell button is pressed. It also has a wireless range of up to 980ft making this doorbell perfect not only for a home but in an industrial or warehouse setting as well. SPECIFICS: The doorbell receiver is 3.25in x 3.25in x 1.5in and plugs right into any standard outlet and the door bell transmitter is 3.5in x 1.5in x 0.34in, can be fixed with screws or adhesive tape, and uses a 12V battery to operate. The package includes a doorbell receiver, doorbell transmitter, screw set, adhesive tape, 12V battery, and a step by step manual; making this a complete wireless doorbell kit. You can trust that since this is a U.S. SOLID product, quality and satisfaction are 100% guaranteed. Ships From Cleveland, Ohio in 1  2 Business Days  EXPEDITED SHIPPING AVAILABLE